# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html

# Sets the minimum version of CMake required to build the native library.

cmake_minimum_required(VERSION 3.22.1)

include_directories(include libjpeg)
add_definitions(-DHAVE_JPEG -DSAVE_JPEG)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -L${CMAKE_SOURCE_DIR}/../jniLibs/${ANDROID_ABI}")

file(GLOB src_files *.cpp  libyuv/source/*.cc)


# 指定libjpeg动态库路径
set(jpeglibs "${CMAKE_SOURCE_DIR}/../jniLibs")

# 导入第三方库：libjpeg.so libc++.so
add_library(libjpeg SHARED IMPORTED)
add_library(libc++ SHARED IMPORTED)
set_target_properties(libjpeg PROPERTIES
        IMPORTED_LOCATION "${jpeglibs}/${ANDROID_ABI}/libjpeg.so")
set_target_properties(libc++ PROPERTIES
        IMPORTED_LOCATION "${jpeglibs}/${ANDROID_ABI}/libc++.so")



# Creates and names a library, sets it as either STATIC
# or SHARED, and provides the relative paths to its source code.
# You can define multiple libraries, and CMake builds them for you.
# Gradle automatically packages shared libraries with your APK.

add_library( # Sets the name of the library.
        v4l-android
        # Sets the library as a shared library.
        SHARED

        # Provides a relative path to your source file(s).
        #native-lib.cpp
        ${src_files})

# Searches for a specified prebuilt library and stores the path as a
# variable. Because CMake includes system libraries in the search path by
# default, you only need to specify the name of the public NDK library
# you want to add. CMake verifies that the library exists before
# completing its build.

find_library( # Sets the name of the path variable.
        log-lib

        # Specifies the name of the NDK library that
        # you want CMake to locate.
        log )

# Specifies libraries CMake should link to your target library. You
# can link multiple libraries, such as libraries you define in this
# build script, prebuilt third-party libraries, or system libraries.

target_link_libraries( # Specifies the target library.
        v4l-android
        android
        libjpeg
        libc++
        EGL
        GLESv2
        # Links the target library to the log library
        # included in the NDK.
        ${log-lib})
